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How to convert string to boolean php
...uate to boolean true unless they have a value that's considered "empty" by PHP (taken from the documentation for empty):
"" (an empty string);
"0" (0 as a string)
If you need to set a boolean based on the text value of a string, then you'll need to check for the presence or otherwise of that val...
Redirecting from HTTP to HTTPS with PHP
...
This is a good way to do it:
<?php
if (!(isset($_SERVER['HTTPS']) && ($_SERVER['HTTPS'] == 'on' ||
$_SERVER['HTTPS'] == 1) ||
isset($_SERVER['HTTP_X_FORWARDED_PROTO']) &&
$_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https'))
{
$...
App Inventor 2 上传文件到服务器的方案全总结 - App Inventor 2 中文网 - ...
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使用Web客户端的POST文件的方法，参考代码如下：
php服务端代码参考：<?php
/* FileName: PicXfer.php
* Simple PHP script to save image file.
*/
echo "We're in the XFER Program...";//phpinfo();
$picDir = "./test/";
$fileName = $_REQUEST['pic'];...
When to use self over $this?
In PHP 5, what is the difference between using self and $this ?
23 Answers
23
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How can I detect if the user is on localhost in PHP?
...y web application is on the server it resides on? If I remember correctly, PHPMyAdmin does something like this for security reasons.
...
Safely remove migration In Laravel
...
I accidentally created a migration with a bad name (command: php artisan migrate:make). I did not run (php artisan migrate) the migration, so I decided to remove it.
My steps:
Manually delete the migration file under app/database/migrations/my_migration_file_name.php
Reset the compos...
Why won't my PHP app send a 404 error?
...play for 404s.
The problem is, once the web server starts processing the PHP page, it's already passed the point where it would handle a 404
User: Hey, do you have anything for me at this URI webserver?
Webserver: Yes, I do, it's a PHP page. It'll tell you what the response code is
PHP: Hey, OM...
How to post data in PHP using file_get_contents?
I'm using PHP's function file_get_contents() to fetch contents of a URL and then I process headers through the variable $http_response_header .
...
How can I get the current page's full URL on a Windows/IIS server?
...to a new folder on a Windows/ IIS server. I'm setting up 301 redirects in PHP, but it doesn't seem to be working. My post URLs have the following format:
...
PHP mkdir: Permission denied problem
I am trying to create a directory with PHP mkdir function but I get an error as follows: Warning: mkdir() [function.mkdir]: Permission denied in ... . How to settle down the problem?
...